<!--
 * @Author: Vi卡农
 * @Date: 2020-05-18 10:46:26
 * @LastEditTime: 2020-05-22 19:13:27
 * @Description: -微信-
 * @FilePath: \cshf_admin\src\views\userwx.vue
--> 
<template>
  <div class="userwx">
    <!-- <img v-bind:src="options.img" @click="editCropper()" title="点击上传头像" class="img-circle img-lg" /> -->
    <el-popover ref="popover" placement="right" title="微信" width="80" trigger="hover">
      <el-avatar shape="square" class="weixingImg" :size="120" :src="$store.state.user.wxPhoto"></el-avatar>
    </el-popover>
    <el-button
      type="primary"
      v-popover:popover
      style="width:80px"
      size="mini"
      @click="editCropper()"
    >
      <i class="el-icon-chat-dot-round"></i>
      微信
    </el-button>

    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-row>
        <el-col :xs="24" :md="12" :style="{height: '350px'}">
          <vue-cropper
            ref="cropper"
            :img="options.img"
            :info="true"
            :autoCrop="options.autoCrop"
            :autoCropWidth="options.autoCropWidth"
            :autoCropHeight="options.autoCropHeight"
            :fixedBox="options.fixedBox"
            @realTime="realTime"
          />
        </el-col>
        <el-col :xs="24" :md="12" :style="{height: '350px'}">
          <div class="avatar-upload-preview">
            <img :src="previews.url" :style="previews.img" />
          </div>
        </el-col>
      </el-row>
      <br />
      <el-row>
        <el-col :lg="2" :md="2">
          <el-upload
            action="#"
            :http-request="requestUpload"
            :show-file-list="false"
            :before-upload="beforeUpload"
          >
            <el-button size="small">
              上传
              <i class="el-icon-upload el-icon--right"></i>
            </el-button>
          </el-upload>
        </el-col>
        <el-col :lg="{span: 1, offset: 2}" :md="2">
          <el-button icon="el-icon-plus" size="small" @click="changeScale(1)"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-minus" size="small" @click="changeScale(-1)"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-refresh-left" size="small" @click="rotateLeft()"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-refresh-right" size="small" @click="rotateRight()"></el-button>
        </el-col>
        <el-col :lg="{span: 2, offset: 6}" :md="2">
          <el-button type="primary" size="small" @click="uploadImg()">提 交</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
// import store from "@/store";
import { VueCropper } from "vue-cropper";

export default {
  components: { VueCropper },
  props: {
    user: {
      type: Object
    }
  },
  data() {
    return {
      // 是否显示弹出层
      open: false,
      // 弹出层标题
      title: "修改二维码",
      options: {
        img: this.$store.state.user.wxPhoto, //裁剪图片的地址
        autoCrop: true, // 是否默认生成截图框
        autoCropWidth: 200, // 默认生成截图框宽度
        autoCropHeight: 200, // 默认生成截图框高度
        fixedBox: true // 固定截图框大小 不允许改变
      },
      previews: {},
      fileName: ""
    };
  },
  methods: {
    // 编辑头像
    editCropper() {
      this.open = true;
    },
    // 覆盖默认的上传行为
    requestUpload() {},
    // 向左旋转
    rotateLeft() {
      this.$refs.cropper.rotateLeft();
    },
    // 向右旋转
    rotateRight() {
      this.$refs.cropper.rotateRight();
    },
    // 图片缩放
    changeScale(num) {
      num = num || 1;
      this.$refs.cropper.changeScale(num);
    },
    // 上传预处理
    beforeUpload(file) {
      if (file.type.indexOf("image/") == -1) {
        this.msgError("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
      } else {
        const reader = new FileReader();
        reader.readAsDataURL(file);
        reader.onload = () => {
          this.options.img = reader.result;
          this.fileName = file.name;
        };
      }
    },
    // 上传图片
    uploadImg() {
      let _this = this;
      this.$refs.cropper.getCropBlob(data => {
        var file = new File([data], this.fileName, { type: "image/jpeg" });
        let formData = new FormData();
        formData.append("files", file);
        this.$http
          .post("/sys/user/wxupload", formData, {
            params: {
              id: _this.user.id
            }
          })
          .then(({ data: res }) => {
            if (res.code !== 0) {
              return this.$message.error(res.msg);
            }
            this.$message.success("修改成功");
            this.open = false;
            this.$refs.cropper.clearCrop();
            _this.options.img = res.data.src;
            _this.$store.state.user.wxPhoto = res.data.src;
          })
          .catch(() => {});
      });
    },
    // 实时预览
    realTime(data) {
      this.previews = data;
    }
  }
};
</script>